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-rw-r--r--include/ruby/intern.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index b162375210..95e70c52be 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -661,7 +661,8 @@ typedef VALUE rb_blocking_function_t(void *);
void rb_thread_check_ints(void);
VALUE rb_thread_blocking_region(rb_blocking_function_t *func, void *data1,
rb_unblock_function_t *ubf, void *data2);
-#define RB_UBF_DFL ((rb_unblock_function_t *)-1)
+#define RUBY_UBF_IO ((rb_unblock_function_t *)-1)
+#define RUBY_UBF_PROCESS ((rb_unblock_function_t *)-1)
VALUE rb_mutex_new(void);
VALUE rb_mutex_locked_p(VALUE mutex);
VALUE rb_mutex_try_lock(VALUE mutex);